The gas mask is an instrument of protection against airborne poisons. Anything that relates to air connects to the world of intellect and thinking. Poisonous gas is a symbol for thoughts, ideas, and consciousness that are floating around the atmosphere and can harm you.
The gas mask is therefore a symbol for the protection needed to keep such ideas from harming you. Is the environment in which you find yourself in your life right now toxic?
[1]If you dream of wearing a gas mask, you will experience (or are experiencing) a situation that involves betrayal and gossip against you, perhaps from someone you counted as a friend.
The good news is, you will emerge victorious from this incident.
[2]Symbolic of a poisonous environment.
If you are wearing a gas mask it symbolizes protection from something harmful
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